Thread: Vortec Coolant Bypass
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Old 08-09-2020, 11:18 PM   #11
gmc684x4
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Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: Vortec Coolant Bypass
I will have to look and drill my two sets of vortec heads if they dont have this hole

In the slow process of pulling one now with my broken leg takes me longer to do these days
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